23541121 has 16 divisors (see below), whose sum is σ = 25648128. Its totient is φ = 21542400.

The previous prime is 23541109. The next prime is 23541143. The reversal of 23541121 is 12114532.

It is a cyclic number.

It is not a de Polignac number, because 23541121 - 2¹¹ = 23539073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23541191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97561 + ... + 97801.

It is an arithmetic number, because the mean of its divisors is an integer number (1603008).

Almost surely, 2^23541121 is an apocalyptic number.

It is an amenable number.

23541121 is a deficient number, since it is larger than the sum of its proper divisors (2107007).

23541121 is a wasteful number, since it uses less digits than its factorization.

23541121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its digits is 240, while the sum is 19.

The square root of 23541121 is about 4851.9193109531. The cubic root of 23541121 is about 286.5996879454.

Adding to 23541121 its reverse (12114532), we get a palindrome (35655653).

The spelling of 23541121 in words is "twenty-three million, five hundred forty-one thousand, one hundred twenty-one".